Gentle nasal spray vaccines against COVID, the flu and RSV are coming. They may work better than shots in the arm ...

Estimates of how fast the universe is expanding disagree. Could a new form of dark energy resolve the problem?

Their dream came spectacularly true on that momentous day in 1974. The Lucy fossil preserved skull fragments and a lower jaw ...

Flex your math muscles with this weekend’s brain teaser. Play now.

The presidential candidates differ on classroom censorship, school choice, federal funding for schools, and more ...

No words are needed for animals to perform all sorts of problem-solving challenges outplay humans in a strategy game New ...

Anyone who is capable of seeing the moon (or the sun) near the horizon has experienced this effect. The moon looks enormous ...

Phone apps can tell whether your kid is playing hooky. But remotely surveilling your child might not be great for navigating ...

During the summer, leaves appear green because the predominant pigment of photosynthesis, called chlorophyll, reflects green ...

Harris would continue the Biden administration’s landmark climate efforts; Trump would roll the country back to more oil and ...

To undo this bias, researchers are changing the algorithms and instruments and finding new models to reduce disparities.

For the first time, we are sending a spacecraft to explore an alien ocean world—a moon that might host life today ...